import java.io.*;

class Main {
	public static void main(String args[]) {
		System.out.print("请输入摄氏温度：");
		String s = "";
		BufferedReader in = new BufferedReader(new InputStreamReader(System.in));

		try {
			s = in.readLine();	
		} catch (IOException e) {
			
		}
		
		double C = Double.parseDouble(s);
		double F = 9. / 5 * C + 32;

		System.out.println("对应的华氏温度是：" + F);
		
	}
}